A post shared by ShannenDoherty (@theshando) on Feb 14, 2017 at 9:02pm PST

"Just trust in your doctors," she said at the time. "Make sure you have amazing doctors, a great team and know that organisations like the American Cancer Society, Stand Up to Cancer, they are doing so much good.

"And [there is] so much research that we have much better chances now. Stay positive.

"That positivity, that outlook on life that you can get through something, it actually does get you through."

Last year's Stand Up to Cancer telethon was broadcast in October and the hosts Davina McCall, Adam Hills and Alan Carr announced that over £15 million had been raised in aid of cancer research.